| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 791 |
| Headlamp aim out of alignment | 411 |
| Registration plate lamp issues | 376 |
| Brake pipe excessively corroded | 251 |
| Registration plate issues | 150 |
| Offside Stop lamp not working |1.2.1b| | 138 |
| Nearside Stop lamp not working |1.2.1b| | 104 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 103 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 99 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 99 |
| Parking brake: efficiency below requirements |3.7.B.7| | 95 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 92 |
| Centre Stop lamp not working |1.2.1b| | 86 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 84 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 76 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 70 |
| Brakes imbalanced across an axle | 66 |
| Rear Exhaust has a major leak of exhaust gases |7.1.2| | 62 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c)) | 58 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 53 |
| Rear parking brake recording little or no effort | 53 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 51 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 49 |
| Offside Rear Stop lamp not working |1.2.1b| | 49 |
| Parking brake lever has no reserve travel |3.1.6b| | 47 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 45 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 45 |
| Engine MIL inoperative or indicates a malfunction |8.2.1.2 |h|| | 43 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 39 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 38 |
| Nearside Rear Stop lamp not working |1.2.1b| | 38 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 37 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 36 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 34 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 34 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 33 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 29 |
| Front brake disc in such a condition that it is seriously weakened | 29 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 24 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 24 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 24 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 24 |
| Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 23 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 23 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 23 |
| Exhaust Lambda reading after 2nd fast idle outside specified limits |8.2.1.2 |c|| | 23 |
| Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 22 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 22 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 20 |
| Central Stop lamp(s) not working (4.3.1 (a) (ii)) | 19 |
| Offside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 19 |
| Rear brake binding | 19 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 19 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 19 |
| Battery insecure |1.9.1| | 18 |
| Centre Exhaust has a major leak of exhaust gases |7.1.2| | 18 |
| Offside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 18 |
| Nearside Front Headlamp has a product on the lens so that the light output is severely reduced (4.1.4 (b)) | 18 |
| Emissions not tested (8.2.1.2 (d)) | 17 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 16 |
| Anti-lock braking system warning lamp indicates an ABS fault | 16 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 16 |
| Nearside Headlamp lens seriously defective (4.1.1 (b) (ii)) | 16 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 16 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 15 |
| Rear Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 15 |
| Windscreen washer not working | 15 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 15 |
| Windscreen wiper blade insecure | 14 |
| Windscreen has damage | 14 |
| Stop lamp not working |1.2.1b| | 14 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 14 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 14 |
| Rear brake disc in such a condition that it is seriously weakened | 14 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Offside Rear Shock absorbers has a serious fluid leak | 13 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 13 |
| Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c)) | 13 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 13 |
| Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 13 |
| Front Exhaust has a major leak of exhaust gases |7.1.2| | 13 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 13 |
| Nearside Headlamp not working on dipped beam |4.1.1 |a| |ii|| | 13 |
| Centre Rear Seat belt retracting mechanism defective |5.2.5b| | 12 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 12 |
| Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 12 |
| Offside Front Position lamp not working |4.2.1 |a|| | 12 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 12 |
| Front brake application uneven | 12 |
| Nearside Rear Shock absorbers has a serious fluid leak | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 11 |
| Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) | 11 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Central Exhaust has a major leak of exhaust gases |7.1.2| | 11 |
| Central Exhaust has a major leak of exhaust gases (6.1.2 (a)) | 11 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 11 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 11 |
| Rear Exhaust system not adequately supported |7.1.1| | 11 |